43 Merge workbooks

18:40:35 Load MergeBook1 from Xlsx file
18:40:35 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0398 seconds
18:40:35 Load MergeBook2 from Xlsx file
18:40:35 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0071 seconds
18:40:35 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0099 seconds
18:40:35 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0153 seconds
18:40:35 Peak memory usage: 10.75MB